Finding the Third Proportional to 19,369,578,426,376 and 42,687,293,777,412

Step by Step Solution

1. Step 1: Write the proportion equation
   19,369,578,426,376 : 42,687,293,777,412 = 42,687,293,777,412 : x
2. Step 2: Convert to fraction form
   19,369,578,426,376/42,687,293,777,412 = 42,687,293,777,412/x
3. Step 3: Cross multiply
   19,369,578,426,376x = 42,687,293,777,412 × 42,687,293,777,412
4. Step 4: Simplify right side
   19,369,578,426,376x = 1,822,205,050,039,077,150,767,710,208
5. Step 5: Solve for x
   x = 1,822,205,050,039,077,150,767,710,208/19,369,578,426,376
6. Step 6: Final answer
   x = 94,075,617,441,303.66